CN101930524B - Document information creation device, document registration system and document information creation method - Google Patents
Document information creation device, document registration system and document information creation method Download PDFInfo
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- CN101930524B CN101930524B CN201010002088.2A CN201010002088A CN101930524B CN 101930524 B CN101930524 B CN 101930524B CN 201010002088 A CN201010002088 A CN 201010002088A CN 101930524 B CN101930524 B CN 101930524B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
- G06F21/6245—Protecting personal data, e.g. for financial or medical purposes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
- G06F21/6245—Protecting personal data, e.g. for financial or medical purposes
- G06F21/6254—Protecting personal data, e.g. for financial or medical purposes by anonymising data, e.g. decorrelating personal data from the owner's identification
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Abstract
The present invention relates to document information creation device, document registration system and document information creation method.Document information creation device comprises storer and creating unit.Secret word and attribute are associated and store by storer, and store the replacement candidate word for replacing this secret word explicitly with the secret word with specified attribute in advance.Creating unit creates replacement document information by least one application in the first replacement and the second replacement, described first replaces the secret word with specified attribute in advance to replace with and replaces one of candidate's word, second replace by have be different from described in the secret word of the attribute of specified attribute in advance replace with the word produced according to selected character.
Description
Technical field
The present invention relates to document information creation device, document registration system and document information creation method.
Background technology
Up to now, paper prints to be comprised in the secret information Method of printing of the information of secret information, known following secret information Method of printing (such as, see Japanese Unexamined Patent Publication (JP-A) 2004-58410 publication): secret information is converted to the inapprehensible replacing representation mode of third party, and print and secret information has been printed to the text string of replacing representation mode according to the secret information of replacing representation mode and instruction.
Known following technology (such as, see JP-A2004-157490 publication): for text document, come file encryption by carrying out displacement to character code and character arrangements, and come to decipher the arrangement of the character of displacement by making the character of displacement return its primitive form; The character conversion of text document is become numerical value, and performs XOR computing with Arbitrary Digit.
As the encryption method creating cipher text data, the known encryption method (such as, see JP-A2007-114506 publication) being created cipher text data by following steps: the input accepting the name text data be made up of the text data of multiple name; Specify the columns being used for cipher text data; The text alignment pattern of name text data and encrypted characters data is set by referring to text alignment pattern data table; Name text data and encrypted characters data are arranged in the row of specifying.
Summary of the invention
The invention provides a kind of document information creation device, document registration system and the document information creation method that create following document information, in described document information, with replace the situation of secret word by enciphered message compared with, be comparatively not easy to realize that (being difficult to know or find) secret word is replaced.
According to a first aspect of the invention, provide a kind of document information creation device, the document information creating device comprises: storer, the attribute of its secret word that will maintain secrecy and described secret word is associated and stores, and with the secret word with specified attribute in advance in described secret word store explicitly have described in advance specified attribute and for replace have described at least one of the secret word of specified attribute in advance replace candidate's word; And creating unit, it is by creating replacement document information at least one in document information application first replacement and the second replacement, described first replace by comprise in described document information have described in the secret word of specified attribute in advance replace with one of replacement candidate word stored in described storer, described second replace having of comprising in described document information be different from described in the secret word of the attribute of specified attribute in advance replace with the word produced according to the character selected from preassigned character set.
According to a second aspect of the invention, document information creation device according to first aspect can also comprise: controller, when apply described first replace and described second replacement at least one time, this controller performs control, makes the replacement word of the secret word before application being replaced it and this secret word of replacement be associated and store in which memory; And converting unit, it obtains the document information of specifying from the described replacement document information created by described creating unit, further, based on the secret word stored in which memory and replacement word, the replacement word in obtained document information is converted to the secret word be associated.
According to a third aspect of the invention we, in a first aspect, can as follows described secret word and described replacement candidate word be associated and store: make by described first replace and described second replacement at least one and the described replacement document information that substituted for after described secret word has understandable content, further, be different from described in the attribute of specified attribute and described character set can comprise numeral in advance.
According to a forth aspect of the invention, in a first aspect, the described replacement candidate word replacing described secret word in replacing described first can be word not to be covered in described document information.
According to a fifth aspect of the invention, provide a kind of document registration system, the document register system is configured to comprise: according to the document information creation device of the either side in first to fourth aspect; And calling mechanism, it registers the replacement document information created by the creating unit of described document information creation device.
According to a sixth aspect of the invention, provide a kind of document information creation method, the document information creating method comprises the following steps: the attribute of the secret word that will maintain secrecy and described secret word is associated and stores in memory; In which memory, store explicitly with the secret word with specified attribute in advance in described secret word have described in advance specified attribute and for replace have described at least one of the secret word of specified attribute in advance replace candidate's word; And, by creating replacement document information at least one in document information application first replacement and the second replacement, described first replace by comprise in described document information have described in the secret word of specified attribute in advance replace with one of replacement candidate word stored in described storer, described second replace having of comprising in described document information be different from described in the secret word of the attribute of specified attribute in advance replace with the word produced according to the character selected from preassigned character set.
According to the first, the 5th and the 6th aspect, provide the effect that can create following document information: in the document information, replacing compared with the situation of secret word with utilizing enciphered message, being comparatively not easy to realize that secret word is replaced.
According to second aspect, provide such effect: the document information before replacing it can be obtained.
According to the third aspect, provide the effect that can create following document information: the document information looks like significant, and be comparatively not easy to realize that secret word is replaced.
According to fourth aspect, when converting the document information after replacing it to document information before replacing it, preventing and converting the word be not replaced to secret word mistakenly.
Accompanying drawing explanation
Illustrative embodiments of the present invention is described in detail based on the following drawings, in the accompanying drawings:
Fig. 1 is the schematic diagram of the document registration system of this illustrative embodiments.
Fig. 2 is the schematic diagram of the table of the secret word of this illustrative embodiments.
Fig. 3 is the schematic diagram of the document Relay Server of this illustrative embodiments.
Fig. 4 is the illustrative diagram of the replacement candidate dictionary of this illustrative embodiments.
Fig. 5 A and Fig. 5 B is the process flow diagram of the document information establishment process that the document Relay Server of this illustrative embodiments performs.
Fig. 6 is the schematic diagram of the substitution table of this illustrative embodiments.
Fig. 7 is the example of the document information of (after conversion) before replacing it in this illustrative embodiments.
Fig. 8 is the figure of the example of the example of document information before describing replacing it in this illustrative embodiments and the document information after replacing it.
Fig. 9 is the example of the document information of (after conversion) before replacing it in this illustrative embodiments.
Figure 10 is the process flow diagram of the document searching process that the document Relay Server of this illustrative embodiments performs.
Figure 11 is the figure of the example of the example of document information after describing replacing it in this illustrative embodiments and the document information before replacing it.
Embodiment
Below, will describe illustrative embodiments, in this illustrative embodiments, the present invention is applied to the Relay Server between client and storage server.
Fig. 1 is the schematic diagram of the document registration system 10 of this illustrative embodiments.Document registration system 10 is equipped with: client 12, document Relay Server 14 and the storage server 16 of registering the document information received.
Client 12 is such as equipped with: the receiving element (not shown) receiving user's instruction, such as keyboard and mouse etc.; Processing execution unit (not shown), such as computing machine etc., it performs process according to the details of the instruction received by receiving element; And reporting unit (not shown), such as display device and voice output etc., it is for reporting result to user (operator).
Document information as registering object is sent to document Relay Server 14 by client 12." document information as registering object " is the document information will registered at storage server 16, and is the document information before being processed by document Relay Server 14." document information " is the information (data) of document.In this illustrative embodiments, will the situation that text data be used as the example of document information be described.
Such as, when have input the attribute of the user ID for identifying user, the secret word that maintain secrecy and secret word via receiving element to client 12, client 12 prepares the secret word lists 18 shown in table 2, user ID, secret word and attribute is associated in table 18.When client 12 via receiving element receive secret word lists 18 sent to the instruction of document Relay Server 14 time, secret word lists 18 is sent to document Relay Server 14 by client 12.
The content of registration in secret word lists 18 is described in detail in reference to Fig. 2.In secret word lists 18, the secret word 18b that maintain secrecy associates with the attribute 18a of secret word 18b and registers.Through the receiving element of client 12, (namely user inputs the word that will maintain secrecy in themselves user ID and document information, " secret word "), and input represents that secret word is the attribute of which kind of word (numerical value, name, place name, exabyte etc.).The attribute of secret word also can be determined by client 12 automatically.When have input user ID, secret word and attribute, the information word of input is associated and they is registered in secret word lists 18 by the processing execution unit of client 12.By this way, create secret word lists 18, and attribute 18a and the secret word 18b corresponding with attribute 18a is registered in during each records.
As shown in Figure 3, document Relay Server 14 is constructed to comprise computing machine, and this computing machine is equipped with: ROM (ROM (read-only memory)) 14a, RAM (random access memory) 14b, CPU (CPU (central processing unit)) 14c, HDD (hard disk drive) 14d and I/O (I/O) port one 4e.ROM14a, RAM14b, CPU14c, HDD14d and I/O port one 4e is connected to each other by bus 14f.Document Relay Server 14 is used as document information creation device.
ROM14a is used as the storage medium storing base program (as OS etc.).HDD14d is used as to store the storage medium of the program of each process routine being used for the process of perform document information creating and search process (after a while, being described this in detail).
Replacement candidate dictionary 20 shown in Fig. 4 is stored in HDD14d.The content that this replaces registration in candidate's dictionary 20 will be described in.In this illustrative embodiments, for each the preassigned attribute among aforementioned multiple attribute (such as, in this illustrative embodiments, attribute outside divider value (such as, represent multiple attributes of the specific term of such as name, place name, exabyte etc.)), in HDD14d, all store one replace candidate's dictionary 20.The multiple candidate of replacement word 20a for replacing the secret word with the attribute corresponding with the attribute replacing candidate's dictionary 20 are registered in and replace in candidate's dictionary 20.Here, in replacement candidate dictionary 20, the quantity of the replacement candidate word 20a of registration can be 1.
When the CPU14c of document Relay Server 14 receives secret word lists 18 from client 12, secret word lists 18 is stored in HDD14d by CPU14c.
As mentioned above, the secret word 18b maintained secrecy and the attribute 18a of secret word 18b is stored in the HDD14d of this illustrative embodiments accordingly, has preassigned attribute 18a and at least one secret word 18b with preassigned attribute 18a replaced among candidate word 20a and all secret word 18b for replacing the secret word 18b with preassigned attribute 18a stores explicitly.Store secret word lists 18 and replace the HDD14d of candidate's dictionary 20 corresponding to storer.
CPU14c is from ROM14a and the HDD14d fetch program and perform process.Various data are stored in RAM14b temporarily.
Client 12 and storage server 16 are connected to I/O port one 4e.
By the process routine using Fig. 5 A and Fig. 5 B to describe the document information establishment process performed by the CPU14c of the computing machine of document Relay Server 14.When receive from client 12 document information, the instruction of registering document information in storage server 16, user ID and for identify document information document id time, the process of CPU14c perform document information creating.
In step 100, in the document represented at received document information by search, whether comprise each secret word 18b of registration in the secret word lists 18 be stored in HDD14d, determine whether comprise secret word 18b in the document information of reception.If comprise secret word 18b, then extract secret word 18b.Step 100 is examples of extraction process (extraction unit).In the step of the secret word lists 18 of the use after step 100 and step 100, the secret word lists 18 of use is the secret word lists 18 corresponding with the user represented by the user ID received.
In the document information received, do not comprise secret word 18b if determined in step 100, then process advances to step 122.In the document information received, comprise secret word 18b if determined in step 100, then process advances to step 102.
In a step 102, based on the register content of secret word lists 18, select not yet by the secret word 18b selected in all secret word 18b comprised from the document information received, and determine the attribute 18a corresponding with selected secret word 18b be whether preassigned attribute (such as, one of for being different from the attribute (such as, representing multiple attributes of the specific term of such as name, place name, exabyte etc.) of numerical value in this illustrative embodiments).
If determining the attribute 18a corresponding with selected secret word 18b is not in a step 102 one of preassigned attribute, then process advances to step 118.If determining the attribute 18a corresponding with selected secret word 18b is in a step 102 preassigned attribute, then process advances to step 104.
At step 104, the replacement candidate dictionary 20 that search is corresponding with the attribute of the secret word 18b selected in HDD14d, and read a record in multiple records of registration from the replacement candidate dictionary 20 obtained as Search Results.Such as, the first record is read.
In step 106, determine whether the replacement candidate word 20a of registration in this read record is included in the document represented by the document information received.
If the replacement candidate word 20a determining registration in this read record is in step 106 included in the document represented by the document information received, then process advances to step 108.In step 108, in the record of registration from the replacement candidate dictionary 20 obtained as the Search Results step 104, a record in the record not yet read in the process of this document information creating is read in.Such as, the next record after the record read is read.Then, process is back to step 106.
In step 108, if all records of registration have all been read in the replacement candidate dictionary 20 obtained as the Search Results in step 104, then send message confirming to allow or forbid to be registered in by document information when the secret word that candidate's word is replaced in document information need not be replaced in storage server 16 (such as, " please select: to be registered in by document information when not replacing in storage server/damage document information and do not register ") to client 12.Therefore, this message is shown in client 12, and user returns the instruction allowing the instruction of registration or do not allow to register to document Relay Server 14 through client 12.If receive the instruction that representative allows registration, then document Relay Server 14 is to the document information of storage server 16 transmission and reception.Therefore, the document information registered by storage server 16.If document Relay Server 14 receives the instruction not allowing to register, then damage the document information of reception, and the process of this document information creating terminates.
If determine the replacement candidate word 20a not comprising registration in this read record in the document represented by the document information received in step 106, then process advances to step 110.In step 110, the replacement candidate word 20a registered in this read record is used as to replace word, and execution controls the secret word 18b of the document id of the user ID of reception, reception, selection and replacement word to be stored explicitly.More particularly, in step 110, as shown in Figure 6, the secret word 18b of user ID, document id, selection and replacement word are associated and are registered in substitution table 22.Therefore, add user ID 22a, document id 22b, secret word 22c to substitution table 22 and replace the new record of word 22d.Therefore, secret word 18b (22c) and replacement candidate word 20a are stored in HDD14d explicitly via attribute, thus this content has such implication: document information substituted for secret word 22c with replacement word 22d.
In step 112, based on the content of registration in secret word lists 18, determine whether there is the secret word 18b selected not yet in a step 102 in the secret word 18b comprised in the document information received.If determine the secret word 18b that existence is selected not yet in a step 102 in step 112, then process is back to step 102.If determine the secret word 18b not existing and select not yet in a step 102 in step 112, then process advances to step 114.
In step 114, by being applied to the document information (registering object document information) of reception the secret word 22c comprised in the document information of reception to be replaced with corresponding replacement word 22d by replacing process, thus create " document information that will register "." document information that will register " is at the document information this replacement process be applied to after the document information of reception, and is to be registered in the information in storage server 16.When processing the example that process when advancing to step 114 from step 110 is the process of the first replacement; When processing the example that the process (will be described in more detail following) when advancing to step 114 from step 120 is the process of the second replacement.Step 114 is the examples creating process (creating unit).
In step 116, the document information that will register created in step 114 is sent to storage server 16.Therefore, storage server 16 is registered the document information that will register.Then, the process of this document information creating terminates.
In step 118, preassigned random number generating algorithm is used to produce the random number (random value) with a pre-specified amount numeral.Such as, a pre-specified amount numeral can be produced, make the quantity of numeral identical with the quantity of the numeral of the secret word 18b of selection.Also random number can be produced as and there is the quantity many or fewer than the quantity of the numeral of the secret word 18b a selected numeral.Now, can not comprise the mode of zero to produce numeral by position ahead, thus it is significant that numeral is looked like.Therefore, word (in this case for having the numerical value of a pre-specified amount numeral) is produced according to the character from preassigned character set (numeral 0 to 9) Stochastic choice.If the word produced in step 118 is identical with the numerical value of the secret word 18b of selection, then can produce another word, and, perform the operation producing word, until the word produced is different from the numerical value of selected secret word 18b.
In the step 120, control is performed to store as replacing the word produced in step 118 of word, user ID, the document id of reception, the secret word 18b of selection of reception and replacing word explicitly.More particularly, in the step 120, as shown in Figure 6, the secret word 18b of user ID, document id, selection and replacement word are registered in substitution table 22 explicitly.By this way, the new record of user ID 22a, document id 22b, secret word 22c and replacement word 22d is added substitution table 22.Then, process advances to step 112.
In step 122, the document information of reception is sent to storage server 16 according to the form of the document information that will register.Therefore, storage server 16 is registered the document information that will register.Then, the process of this document information creating terminates.
Above, document information establishment process is described.Now, the particular example of the document information utilized before document information establishment processing execution replaces it and the document information after replacing it is described.Such as, as registering object document information (document information before replacing it), as shown in Figures 7 and 8, from client 12, the document information representing text " annual income of Fuji's Taro is 5; 000,000 yen " is sent to document Relay Server 14.In secret word lists 18, " Fuji's Taro " is registered as the secret word 18b that attribute 18a is " name ", and " 5,000,000 " is registered as the secret word 18b that attribute 18a is " numerical value "." Yokohama one youth " is registered as when replacing candidate's word 20a in the replacement candidate dictionary 20 corresponding with attribute " name ", as shown in Figure 8 and Figure 9, send to storage server 16 as the document information that will register (document information after replacing it) document information representing text " annual income of Yokohama one youth is 9; 999,999 yen " from document Relay Server 14.
Figure 10 is used to describe the process routine of the document searching process performed by the CPU14c of the computing machine of document Relay Server 14.When receiving user ID and search terms (search key) from client 12, document Relay Server 14 perform document search process.Search terms is such as the word comprising the document information of this search terms for searching in all document information.By the document searching process of following detailed description, in all document information, search package is containing the document information of this search terms, and the document information is sent to client 12 from storage server 16 through document Relay Server 14.
In step 200, determine whether the search terms received is registered as secret word 22c in substitution table 22.In the step of the use substitution table 22 after step 200 and step 200, use the substitution table 22 corresponding with the user represented by the user ID received.
If determine that the search terms received is not registered as secret word 22c in substitution table 22 in step 200, then process advances to step 216.If determine that in step the search terms received is registered as secret word 22c in substitution table 22, then process advances to step 202.
In step 202., when the search terms received is secret word 22c, the replacement word 22d corresponding with this secret word 22c is obtained from substitution table 22.
In step 204, the instruction sending the document information comprising the replacement word 22d obtained in step 202 is exported to storage server 16.Therefore, according to this instruction, the document information obtained as Search Results containing the document information of this replacement word 22d, and is sent to document Relay Server 14 from search package among the document information of registration by storage server 16.Therefore, by the process of step 204, document Relay Server 14 obtains the document information of specifying among the document information be registered in storage server 16.In these cases, " document information of specifying " refers to the document information comprising the replacement word 22d obtained in step 202.
In step 206, determine whether by receiving document information from storage server 16 and obtaining document information.Repeat this determination operation in step 206, until determine to obtain document information from storage server 16.When the determination result of step 206 is when obtaining document information from storage server 16, process advances to step 208.
In a step 208, select still non-selected one to replace word 22d among the replacement word 22d comprised from the document information obtained, and obtain a secret word 22c corresponding with selected replacement word 22d from substitution table 22.
In step 210, in the document information obtained, the replacement word 22d selected in a step 208 is changed (replacement) and become the secret word 22c obtained in step 208.Step 210 is examples of conversion process (converting unit).
In the step 212, determine whether there is the replacement word 22d selected not yet in a step 208 among the replacement word 22d that comprises of document information obtained.If determine the replacement word 22d that existence is selected not yet in a step 208 in the step 212, then process is back to step 208.If determine the replacement word 22d not existing and select not yet in a step 208 in the step 212, then process advances to step 214.When determine in the step 212 there is not the replacement word 22d selected not yet in a step 208 time, all replacement word 22d in the document information of acquisition have been converted into secret word 22c.
In step 214, the document information all replacement word 22d being converted into corresponding secret word 22c sends to client 12.Therefore, object search document information is sent to client 12.Then, this document search process terminates.
In the step 216, the instruction of search package containing the document information of the search terms received is exported to storage server 16.Therefore, according to this instruction, the document information obtained as Search Results containing the document information of this search terms, and is sent to document Relay Server 14 from search package among the document information of registration by storage server 16.Therefore, by the process of step 216, document Relay Server 14 obtains the document information of specifying among the document information be registered in storage server 16.In these cases, " document information of specifying " refers to the document information of the search terms comprising reception.
In step 218, determine whether by receiving document information from storage server 16 and obtaining document information.Repeat this determination operation in step 218, obtain document information from storage server 16 until determine.When the determination result of step 218 is when obtaining document information from storage server 16, process advances to step 220.
In a step 220, the document information of acquisition is sent to client 12.Therefore, object search document information is sent to client 12.Then, this document search process terminates.
Above, document searching process is described.Now, by be described in document searching processing execution replace it before document information (document information that will register) and the document information after replacing it (registering object document information).Such as, as the document information before replacing it, as shown in Figures 9 and 11, when from storage server 16, by representing text, " annual income of Yokohama one youth is 9, 999, 999 yen " document information when sending to document Relay Server 14, if replace word 22d " 9, 999, 999 " and corresponding secret word 22c " 5, 000, 000 " to be registered in substitution table 22 and to replace word 22d " Yokohama one youth " and corresponding secret word 22c " Fuji's Taro " is registered in substitution table 22, then from document Relay Server 14, by the representative text as shown in Fig. 7 and Figure 11, " annual income of Fuji's Taro is 5, 000, 000 yen " document information send to client 12 as the document information after replacing it.
Above, the document registration system 10 of this illustrative embodiments is described.In the embodiment described, send document id from client 12, but this not restrictive.Document information after preassigned hash function (such as, SHA-256 etc.) basis can be used to replace it calculates hashed value, and the hashed value calculated can be used as document id.
Such structure is also fine: the function setting of document Relay Server 14 described above, in client 12 or storage server 16, omit document Relay Server 14, and client 12 is directly connected with storage server 16.
Describe following situation: wherein, the attribute being different from numerical value is given the example of specified attribute in advance, and in step 118, produce word (in this case for having the numerical value of a preassigned quantity numeral) according to the character from preassigned character set (numeral 0 to 9) Stochastic choice, but this not restrictive.Such as, the attribute of the attribute being different from such as name, exabyte etc. can be given specified attribute in advance, in step 118, can by producing text string from the text string of Stochastic choice in preassigned character set (character, Chinese character etc. of alphabet, Japanese syllabary hiragana, katakana, japanese character).If be appreciated that according to making it mode of (or meaningful, the mankind can understand the meaning of text string) is to produce text string (such as using the information from unshowned dictionary to produce), then this situation is suitable.
Describe following example: wherein, client 12 by a kind of language (such as, English, Japanese or Chinese) registering object document information send to document Relay Server 14, the secret word 22c in registering object document information is replaced with corresponding replacement word 22d to create the document information that will register by document Relay Server 14; And describe following example: wherein, obtain the document information of specifying in the document of registration from storage server 16, and convert the replacement word 22d in the document information of acquisition to secret word 22c.But, document Relay Server 14 can have from preassigned language (such as, Japanese or Chinese) translate into the function of another language (such as, English) and the function of appointed language in advance described in becoming from another Language Translation described.So the registering object document information of appointed language in advance can be translated into another language by document Relay Server 14, and the secret word 22c in the document information of translation is replaced with corresponding replacement word 22d to create the document information that will register.The document information of specifying can be obtained from the document information of another language described in being registered in storage server 16, convert the replacement word 22d in the document information of acquisition to secret word 22c, appointed language in advance described in document information after replacing it is become from another Language Translation described, and the document information through translation is sent to client 12.
For document searching process, describe such example: wherein, the instruction sending and comprise the document information replacing word 22d is exported to storage server 16, from the document information of registration, search package is containing the document information of this replacement word 22d according to this instruction for storage server 16, and the document information obtained as Search Results is sent to document Relay Server 14 by storage server 16.But, also can perform process as described below.That is, when receiving user ID and document id from client 12, process can be searched for by CPU14c perform document, and export the instruction of the document information sending the document ID instruction to storage server 16.In this case, according to this instruction, storage server 16 searches for the document information indicated by the document ID among the document information of registration, and the document information obtained as Search Results is sent to document Relay Server 14.Therefore, according to this process, document Relay Server 14 obtains the document information of specifying from the document information be registered in storage server 16.In this case, " document information of specifying " refers to the document information of document id instruction.
Program described herein can be preserved and arrange on a storage medium, described program can be provided by communication unit.In these cases, such as, described program also can fall within the scope of the invention: " a kind of computer-readable recording medium had program stored therein ".
Term " a kind of computing machine scale storage medium had program stored therein " comprises such recording medium: have program recorded thereon on the recording medium, and this recording medium can be read by computing machine and for the issue etc. of the installation of program, execution, program.
Term recording medium comprises such as: DVD-R, DVD-RW, DVD-RAM etc., and they are the digital universal discs (DVD) according to the standard set up by DVD forum; CD (CD), it is ROM (read-only memory) (CD-ROM), CD-can record (CD-R), CD-can rewrite (CD-RW) etc.; Blu-ray disc (registered trademark); Magneto-optic disk (MO); Floppy disk (FD); Tape; Hard disk; ROM (read-only memory) (ROM); Electrically Erasable Read Only Memory (EEPROM); Flash memory; Random access memory (RAM) etc.
Described program or its part can record on the recording medium, and preserve in memory, issue.Described program or its part also can be propagated by using the communication of communication media, described communication media such as: such as cable network or the wireless network of LAN (Local Area Network) (LAN), Metropolitan Area Network (MAN) (MAN), wide area network (WAN), internet, Intranet, extranet etc.; Or their combination etc.Described program or its part also can realize and transmit in carrier wave.
Described program can be a part for another program and/or can record together on the recording medium from different programs.Described program can be split and record between multiple recording medium.In addition, as long as can from its recovery routine, described program can by any pattern (as compression, encryption etc.) record.
To the aforementioned description of exemplary embodiment of the invention in order to the object illustrating and describe provides.Itself and not intended to be are exhaustive or limit the invention to disclosed exact form.Obviously, many variants and modifications are apparent for those skilled in the art.Selecting and describing these illustrative embodiments is in order to principle of the present invention and practical application thereof are described best, thus others skilled in the art can be understood of the present inventionly be applicable to the various embodiment of conceived special-purpose and various modification.Be intended to by appended claims and equivalent thereof to limit scope of the present invention.
Claims (7)
1. a document information creation device, the document information creating device comprises:
Storer, the attribute of its secret word that will maintain secrecy and described secret word is associated and stores, and with the secret word with specified attribute in advance in described secret word store explicitly have described in advance specified attribute and for replace have described at least one of the secret word of specified attribute in advance replace candidate's word;
Creating unit, it is created by least one application to document information in the first following replacement and the second replacement and replaces document information and export the replacement document information created in memory location, described memory location is the device be separated with described document information creation device
Described first replace by comprise in described document information, have described in the secret word of specified attribute in advance, replace with one of described replacement candidate word stored in described storer, and
Described second replace by comprise in described document information, the secret word of the attribute with specified attribute in advance described in being different from, replace with the word produced according to the character selected from preassigned character set;
Controller, when apply described first replace and described second replacement at least one time, this controller performs control, makes the replacement information that the replacement word storing the described secret word before application being replaced it in which memory and replace this secret word is associated;
Acquiring unit, it obtains search terms and user ID;
Output unit, it is based on the replacement information comprising the user ID of described search terms as secret word and corresponding to described acquiring unit acquisition that described acquiring unit obtains, replace described search terms with replacement word, and export to the search unit from described memory location search document information the document information comprising the described replacement word that substituted for described search terms; And
Converting unit, it obtains the document information that described search unit is searched for from the document information of described memory location, further, based on comprising the replacement information of described search terms as described secret word, the replacement word in obtained document information is converted to the described secret word be associated.
2. document information creation device as claimed in claim 1, wherein, as follows described secret word and described replacement candidate word are associated and store: make by described first replace and described second replacement at least one and the described replacement document information that substituted for after described secret word has intelligible content, and
Described in being different from, the attribute of specified attribute and described character set comprise numeral in advance.
3. document information creation device as claimed in claim 1, wherein, the described replacement candidate word replacing described secret word in replacing described first is word not to be covered in described document information.
4. a document registration system, the document register system comprises:
Document information creation device as described in any one in claim 1 to claim 3; And
Calling mechanism, it registers the described replacement document information created by the described creating unit of described document information creation device in described memory location.
5. a document information creation method, the document information creating method comprises the following steps:
The attribute of the secret word that will maintain secrecy and described secret word is associated and stores in memory;
In which memory, store explicitly with the secret word with specified attribute in advance in described secret word have described in advance specified attribute and for replace have described at least one of the secret word of specified attribute in advance replace candidate's word;
Created by least one application to document information in the first following replacement and the second replacement and replace document information and export the replacement document information created in memory location, described memory location is the device be separated with document information creation device,
Described first replace by comprise in described document information, have described in the described secret word of specified attribute in advance, replace with one of described replacement candidate word stored in described storer, and
Described second replace by comprise in described document information, the secret word of the attribute with specified attribute in advance described in being different from, replace with the word produced according to the character selected from preassigned character set;
When apply described first replace and described second replace at least one time, performs controls, makes to store in which memory the replacement information that will apply the replacement word of the described secret word before replacing it with this secret word of replacement and be associated;
Obtain search terms and user ID;
Based on the replacement information comprising the user ID of described search terms as secret word and corresponding to obtaining step acquisition that obtaining step obtains, replace described search terms with replacement word, and export to the search unit from described memory location search document information the document information comprising the described replacement word that substituted for described search terms; And
Obtain the document information that described search unit is searched for from the document information of described memory location, and, based on comprising the replacement information of described search terms as described secret word, the replacement word in obtained document information is converted to the described secret word be associated.
6. document information creation method as claimed in claim 5, wherein, as follows described secret word and described replacement candidate word are associated and store: make by described first replace and described second replacement at least one and the described replacement document information that substituted for after described secret word has intelligible content, and
Described in being different from, the attribute of specified attribute and described character set comprise numeral in advance.
7. document information creation method as claimed in claim 5, wherein, the described replacement candidate word replacing described secret word in replacing described first is word not to be covered in described document information.
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| JP2009-149733 | 2009-06-24 | ||
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| CN101930524A (en) | 2010-12-29 |
| US20100332484A1 (en) | 2010-12-30 |
| JP2011008394A (en) | 2011-01-13 |
| JP5471065B2 (en) | 2014-04-16 |
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